U-lock spacer barrier



FIG. 1 is a top, front, and right side perspective view of a U-lock spacer barrier showing my new design, the broken-line disclosure of a portion of a bicycle, post, and U-lock being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is an enlarged top, front, and right side elevational view thereof;

FIG. 3 is an enlarged top plan view thereof, the bottom being identical in appearance;

FIG. 4 is an enlarged front elevational view thereof, the rear being identical in appearance; and,

FIG. 5 is an enlarged side elevational view thereof, the opposite side being identical in appearance. 

The ornamental design for a U-lock spacer barrier, as shown and described. 